06 The Oscilloscope Lab Report

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Florida Institute of Technology *

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2092

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Electrical Engineering

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Apr 26, 2024

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PHY 2092 Sect. 5 06 The Oscilloscope Author: Jaidyn Lodens Date of Experiment: 2 / 14 / 2024 Date of Report: 4 / 1 / 2024 Partners: Christian Gonzalez GSA: Syed Hasan 1

Introduction The purpose of this lab was to understand how an oscilloscope works. In this lab, a D.C. power supply and a signal generator are used to create different waveforms. Data about these waveforms are then collected and compared to the picture that was created using the oscilloscope. The lab helps demonstrate how to use the oscilloscope, how different power supplies create different waveforms, how voltage and current affect waveforms, and how waves can be added together to create new waveforms. Data 06 The Oscilloscope Datasheet Discussion Part 1 Step 2: 2

Part 1 Step 7: Part 1 Step 8: It changes the specific horizontal points on the graph. Part 2 Step 1: The natural sine wave is the most accurate to what the wave truly looks like compared to the triangle and square waves. It may be easier and more accurate to measure the peak-to-peak voltage using a triangle wave since the peak is easily determined in this form. Part 2 Step 2: The changes on the VOLT / DIV knobs and TIME / DIV knobs change in larger or smaller increments based on if the VARIABLE knobs are in the CAL’D position. They change the height of the wave. Part 3 Step 1: In the first setup, the 267 resistor measured 8.5 volts, and the 500 resistor measured 5 volts. In the second setup, the 500 resistor measured 9 volts, and the 267 resistor measured 4.5 volts. The voltage changed because of the order of the resistors, but the total voltage remained the same. Since the total voltage was the same, it is giving results that would be similar to a D.C. power supply. Part 3 Step 2: The phase relationship between voltage and current is ideally a zero phase shift. No matter what, as the voltage moves in the positive alternating direction, the current will also move in the positive alternating direction. Same for when the voltage moves in the negative direction. 3

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Part 4 Step 1: Part 4 Step 2: 4

Conclusion This lab focused on the basic use and understanding of an oscilloscope. This lab looked at how adjusting various settings changed the orientation and the presentation of the waveform. It then focused on using these settings to create a picture that was easy to understand. After that, the lab focused on understanding how to read and interpret the picture that the oscilloscope creates. Finally, it focused on how to add different frequencies together to create new waveforms. 5